chore: add Rust example for unit test runner

[MashyBasker]

chore: add Rust example for unit test runner

Overview

This pull request adds a new Rust example to the examples/unittest directory. The purpose is to demonstrate how to generate and run unit tests for Rust code using the UnitTestGenerator from the kaizen.generator.unit_test module.

Changes

• Key Changes:
  • Added a new file rust.py in the examples/unittest directory
  • Implemented a simple Calculator struct with add, subtract, and get_result methods
  • Implemented a greet function that takes a name and returns a greeting
  • Included the Rust code in the code variable and used the UnitTestGenerator to run the tests
• New Features:
  • Provided an example of how to generate and run unit tests for Rust code using the UnitTestGenerator
• Refactoring:
  • No major refactoring changes were made in this pull request

✨ Generated with love by Kaizen ❤️

Original Description

Added an example in `examples/unittest` to generate and run tests for rust code. Contains the following constructs: - `module` - `functions` - `impl` block

[kaizen-bot]

Code Review

❗ Attention Required: This PR has potential issues. 🚨

Missing Function Parameter

The 'run_tests()' method is called without any parameters, but it likely needs the Rust code as input.

Potential Solution:

Pass the 'code' variable to the 'run_tests()' method.

examples/unittest/rust.py | 42 - 42

reason_for_request: Without passing the Rust code to the test generator, it won't be able to generate or run any tests.

level: [critical] , severity: [9]

✨ Generated with love by Kaizen ❤️

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[kaizen-bot]

Comment: The 'run_tests()' method is called without any parameters, but it likely needs the Rust code as input.

Solution: Pass the 'code' variable to the 'run_tests()' method.

Reason For Comment: Without passing the Rust code to the test generator, it won't be able to generate or run any tests.

Suggested change

	test_results = generator.run_tests()
	test_results = generator.run_tests(code)